﴿ رَسُولٌۭ مِّنَ ٱللَّهِ يَتْلُوا۟ صُحُفًۭا مُّطَهَّرَةًۭ ﴾

“an apostle from God, conveying [unto them] revelations blest with purity,”

a messenger from God rasūlun mina’Llāhi substitutes for al-bayyinatu ‘the clear proof’ namely the Prophet s reciting pages purified of all falsehood